229399085169 has 6 divisors (see below), whose sum is σ = 331354234146. Its totient is φ = 152932723440.

The previous prime is 229399085147. The next prime is 229399085173. The reversal of 229399085169 is 961580993922.

229399085169 is a `hidden beast` number, since 2 + 2 + 9 + 399 + 0 + 85 + 169 = 666.

It can be written as a sum of positive squares in only one way, i.e., 155027250225 + 74371834944 = 393735^2 + 272712^2 .

It is not a de Polignac number, because 229399085169 - 2³³ = 220809150577 is a prime.

It is a super-2 number, since 2×229399085169² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229399085129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12744393612 + ... + 12744393629.

It is an arithmetic number, because the mean of its divisors is an integer number (55225705691).

Almost surely, 2^229399085169 is an apocalyptic number.

It is an amenable number.

229399085169 is a deficient number, since it is larger than the sum of its proper divisors (101955148977).

229399085169 is a wasteful number, since it uses less digits than its factorization.

229399085169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488787247 (or 25488787244 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 229399085169 in words is "two hundred twenty-nine billion, three hundred ninety-nine million, eighty-five thousand, one hundred sixty-nine".